Frozen: community ecology in Northern Ecosystems

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This is an overview talk of Northern research supported by NSTP funding. The primary purpose of the talk is to highlight the importance of this funding to students in exploring important topics in high-stress ecosystems. Important topics developed through this research and collaboration opportunities that emerged are described. The building blocks of the forthcoming research in 2014 in Churchill, Canada are also summarized.

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@cjlortie

Frozen: community ecology in the north.

NSTP

collaboration

frozen topics: stress-gradient hypothesis

Bertness & Callaway 1994

frozen topics: stress-gradient hypothesis

Kawai & Tokeshi 2007

frozen topics: stress-gradient hypothesis

Kawai & Tokeshi 2007

frozen topics: context & diversity

Michalet et al 2006

frozen topics: context & importance

Kikvidze et al 2011

frozen topics: context & reciprocity

individual community

influence

Schob et al 2014

+

-

NSTP

progress

frozen topics: context & trophic scaling

Lortie et al 2012

frozen topics: context & trophic scaling

Molenda et al 2012

frozen topics: context & trophic scaling

Reid & Lortie 2012

frozen topics: context & reciprocity

Lortie & Reid 2012

frozen topics: context & reciprocity

Lortie & Reid 2012

frozen topics: context & reciprocity

Schob et al. 2014a & b

frozen topics: context & diversity

Cavieres et al. 2013

frozen topics: Churchill context

Bello, Lortie et al. 2013

frozen topics: diversity

frozen topics: diversity

Peat plateau

frozen topics: diversity

peat plateau

frozen topics: gradients

frozen topics: gradients

peat

microgradients

wet

dry

forestgap

forestcarex

coastal shore

coastal floodplain

mesogradients

macrogradients

forestgap

forestcarex

coastal shore

coastal floodplain

peat

frozen topics: gradients

peat plateau

coastal floodplain

coastal shore

forest carex

forest gap

forestgap

forestcarex

coastal shore

coastal floodplain

peat+ +

mesogradients

o +

+ +

+ +

o -

e+

e+

e+

frozen topics: stress-gradient hypothesis

summary: first step of the process completed

frozen topics: Churchill

trophic scalingreciprocity

costs of facilitationlocal vs regional drivers

limitationsimportance vs intensity

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